Lights Out's goal is to turn off all the lights. Where ever you click it flips the lights in a plus-sign shape to their opposite states. So, if a light is on and you flip it it'll turn off and vice-versa. Right now the game only has 2 levels but the next version should have at least 10 levels.

Instructions:

Press f to go to freeplay modePress r to reset the board to all offPress s to start playing